paramorphism

noun

para·​mor·​phism

¦parə¦mȯrˌfizəm

plural -s

: the property of changing from one mineral species to another (as from aragonite to calcite) by a change in internal structure and physical characters but not in chemical composition

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!